New heat preservation, energy saving and heat preservation materials used for painting the internal and external walls of buildings
inorganicThermal insulation materialIt is a new type of heat preservation and energy-saving heat preservation material used for painting the internal and external walls of buildings. It is composed of inorganic light heat preservation particles as light aggregate, cementitious materials, anti crack additives and other fillersDry mortar。
Inorganic thermal insulation materials have the characteristics of energy conservation, waste utilization, thermal insulation, fire protection, anti freezing, aging resistance and low price, and have a wide market demand.asHollow vitrified microsphere,Expanded perlite,Closed Cell Perlite ,Rock woolEtc.The bulk density of inorganic thermal insulation material is slightly larger, and the thermal efficiency of thermal insulation is slightly lower, but it is fireproof and flame retardant, has small deformation coefficient, is anti-aging, and has stable performance. It is well combined with the wall base and plaster layer, and has good safety and stability. The strength and durability of the thermal insulation layer are higher than that of organic thermal insulation material, with long service life, low construction difficulty, low project cost, good ecological and environmental protection, and can be recycled.
1. Excellent temperature stability andchemical stability: Inorganic insulation material insulation system is composed of pureInorganic materialsmake.Acid and alkali resistance, corrosion resistance, no cracking, no shedding, high stability, no aging problems, and the same life as the building wall.
2. The construction is simple and the comprehensive cost is low: the thermal insulation system of inorganic thermal insulation materials can be directly plastered on the blank wall, and the construction method iscement mortarThe leveling layer is the same.The machine and tools used in this product are simple.Convenient construction, compared with other insulation systems, it has obvious advantages of short construction period and easy quality control.
3. It has a wide range of applications to prevent the generation of cold and hot bridges: the inorganic insulation material insulation system is applicable to the insulation of various wall base materials and walls with complex shapes.Totally closed, no joints, no cavities, no cold and hot bridges.In addition, it can not only be used for external insulation of exterior walls, but also for internal insulation of exterior walls, or both internal and external insulation of exterior walls, as well as roof insulation and geothermal insulation layer, providing some flexibility for the design of energy-saving system.
4. Green environmental protection and pollution-free: the inorganic thermal insulation material thermal insulation system is non-toxic, tasteless, and free of radioactive pollution, harmless to the environment and human body, and has good environmental protection benefits.
5. High strength: inorganic insulation material insulation system has high bonding strength with the base course, without cracks and hollowing.This has certain technical advantages over all domestic insulation materials.
6. Good fireproof and flame retardant safety, users can rest assured that the inorganic insulation material insulation system is Class A non combustible.It can be widely used in dense residential buildings, public buildings, large public places, flammable and explosive places, and places with strict fire protection requirements.It can also be used as a fire isolation belt to improve the building fire protection standards.
7. Good thermal performance: the thermal storage performance of inorganic thermal insulation material thermal insulation system is far greater than that of organic thermal insulation material, which can be used for summer thermal insulation in the south.At the same time, its thermal conductivity can reach below 0.050 W/(m.K), and its thermal conductivity can be easily adjusted to meet the needs of mechanical strength and the requirements of actual use functions. It can be used in different occasions, such as floors, ceilings, etc.
8. Good mildew prevention effect: it can prevent the conduction of cold and hot bridges, and prevent the mildew produced after indoor condensation.
9. Good economy: the construction is simple and fast (the construction process is better than ordinary screed mortar, the construction cost is about 10 yuan/m2, and the construction period is shortened by more than half), and the service life is the same as that of the wall.
application
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Thermal insulation mortarAnd its corresponding systemsAnti crack mortar, suitable for multi-storey and high-rise buildingsreinforced concrete、aerated concreteThe external thermal insulation and plastering works and internal thermal insulation and plastering works of walls such as bricklaying, sintered bricks and non sintered bricks are also suitable for the thermal insulation reconstruction works of various old buildings today.External thermal insulation layer with coating or facing brick;External plaster of comfortable board system built in the large formwork;Thermal insulation in staircase, household partition wall and kitchen toilet;Closed balcony, ceiling and other enclosure structures;Thermal insulation and fireproof layer of roof of underground garage;Thermal insulation layer of steel structure building;Thermal insulation layer of building profiled structure;Dry hanging stoneInsulation filling of inner layer;Ground insulation and ground heating insulation;Upper herringbone roof, planting roof, wood structure roof insulation.
type
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Inorganic thermal insulation materials used for building exterior wall thermal insulation includeExpanded perlite, hollow vitrified microsphereClosed Cell Perlite , rock wool, mineral wool, glass wool and lightweight block self insulation system, mainly from inorganic materials such as stone chips, glass, industrial waste residue, etc.
construction
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Construction preparation
The base course wall meets the quality standard after project acceptance. Before construction, the dust, dirt, oil stains, etc. on the base course wall shall be cleaned and the surface shall be flat.
Construction process
The process flow of exterior wall external insulation or exterior wall internal insulation coating finish and facing brick finish: base course treatment (concrete and other smooth walls need to use conventional interface mortar) → square fitting, hanging vertical, snapping control line, screeding, mouth making, reinspection → batch plastering → snapping grid line, opening grid groove, embedding drip groove → coating (facing brick) finish.
development
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The application of inorganic thermal insulation materials in engineering willlow-carbon economyWith the development of, China's building energy conservation requirements are getting higher and higher, and the application of inorganic insulation materials will be more and more extensive.
